From the Ancient Imports vcoins.com store. See http://www.ancientimports.com/

  VF/VF Constantine I the Great AE / Romae        Price
  Aeternae
 € 322.45
  Attribution: RIC VII 146 Rome R2   £ 222.91
  Date: 318-319 AD    US$ 387  AUD$ 516.61
  Obverse: CONSTAN-TINVS AVG, bust right         CHF 504.62
  Reverse: ROMAE A-ETERNAE, Rome seated right    CAD$ 471.71
  shield in lap inscribed X/V Rates for 7/19/2005
  Size: 20.24 mm
  Weight: 2.7 grams[add]
  Description: A very nice and rare bronze with
  nice detail and silvering Part of an old French
  collection of Constantine I that I am starting  Inquire about
  to sell for a client   this item